Replace Galaxy with Universe when dealing with entities above 10.
When dealing with entities powerful enough to destroy entire universes, please begin praying to the deity of your choice.
Remember, the computer is your friend.
Disobeying the Computer is punishable by instant termination.
“She'd become a governess. It was one of the few jobs a known lady could do. And she'd taken to it well. She'd sworn that if she did indeed ever find herself dancing on rooftops with chimney sweeps she'd beat herself to death with her own umbrella.”
― Hogfather